From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Mack Subject: Re: USB asynchronous mode feedback format Date: Thu, 14 Oct 2010 12:48:55 +0200 Message-ID: <20101014104855.GI10432@buzzloop.caiaq.de> References: <1287046026.4cb6c38a2a179@discus.singnet.com.sg> <201010141227.38510.julian@jusst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from buzzloop.caiaq.de (buzzloop.caiaq.de [212.112.241.133]) by alsa0.perex.cz (Postfix) with ESMTP id 2BF45243EC for ; Thu, 14 Oct 2010 12:48:59 +0200 (CEST) Content-Disposition: inline In-Reply-To: <201010141227.38510.julian@jusst.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Julian Scheel Cc: alsa-devel@alsa-project.org, lee188@singnet.com.sg List-Id: alsa-devel@alsa-project.org On Thu, Oct 14, 2010 at 12:27:38PM +0200, Julian Scheel wrote: > thanks a lot! You made my day (c: > Using EP5 for feedback makes it working. So I now get the data out even in > async mode. Currently I have a problem left that channel assignment jumps here > and then. Probably a buffering issue... > Also neither a SRC4192 (sample rate converter) nor a PCM1794 (dac) seem to be > able to understand what I am sending right now... Not sure why. Looking at the > measurements it really looks like a proper I2S signal. Can you send oscilloscope screenshots? Which data format are you using? Daniel